At the current difficulty rate, it can take a solo miner almost five years to mine a single bitcoin. That is the average rate for miners, even for those using the most efficient mining hardware. Bitcoin mining remains one of the most popular cryptocurrency ventures for profit-seekers, along with Ethereum mining. Thousands of miners continue to buy mining equipment and use large amounts of electricity to mine bitcoin, which has drawn criticism for its environmental impact.
By working together in a pool and sharing payments among all participants, miners can get a steady stream of bitcoin from the day they activate their miners. This means that only a single miner in the entire mining network will actually discover the block and, given that there are potentially tens of thousands of Bitcoin miners in operation, the chances of discovering a block alone are quite low.